J-Si interviews Will Ferrell and Zach Galifianakis to see who will be the best nanny for his son Cason. Watch Will and Zach kiss Cason on the cheek and J-Si kiss Will on the cheek.  Whether or not letting Zach Galifianakis hold your baby is a good idea, is still in question.

Will Ferrell and Zach Galifianakis are promoting their new movie "The Campaign" opening August 10th.  Check out the trailer below.